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15313072 = 248631109
BaseRepresentation
bin111010011010…
…100010110000
31001210222120211
4322122202300
512410004242
61304113504
7244105345
oct72324260
931728524
1015313072
118709a35
125165894
133231cb8
1420687cc
151527317
hexe9a8b0

15313072 has 20 divisors (see below), whose sum is σ = 29730240. Its totient is φ = 7640768.

The previous prime is 15313057. The next prime is 15313093. The reversal of 15313072 is 27031351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13254 + ... + 14362.

It is an arithmetic number, because the mean of its divisors is an integer number (1486512).

Almost surely, 215313072 is an apocalyptic number.

It is an amenable number.

15313072 is a deficient number, since it is larger than the sum of its proper divisors (14417168).

15313072 is a wasteful number, since it uses less digits than its factorization.

15313072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 15313072 is about 3913.1920474211. The cubic root of 15313072 is about 248.3251890887.

It can be divided in two parts, 153 and 13072, that added together give a square (13225 = 1152).

The spelling of 15313072 in words is "fifteen million, three hundred thirteen thousand, seventy-two".

Divisors: 1 2 4 8 16 863 1109 1726 2218 3452 4436 6904 8872 13808 17744 957067 1914134 3828268 7656536 15313072